If `P_1 : bar r * bar(n_1) -d_1 = 0, P_2 : bar r * bar(n_2) d_2 = 0` and `P_3 : bar r * bar(n_3) -d_3 = 0` are three pla

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Q 2641478323.     If `P_1 : bar r * bar(n_1) -d_1 = 0, P_2 : bar r * bar(n_2) d_2 = 0` and `P_3 : bar r * bar(n_3) -d_3 = 0` are three planes and `n_1 , n_2` three non-coplanar vectors then, the three lines `P_1 = 0, P_2 = 0; P_2 = 0, P_3 = 0` and `P_3 = 0, P_1 =0 ` are
A

parallel lines

B

coplanar lines

C

coincident lines

D

concurrent lines

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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